135566632677 has 12 divisors (see below), whose sum is σ = 210266614176. Its totient is φ = 77466647160.

The previous prime is 135566632639. The next prime is 135566632697. The reversal of 135566632677 is 776236665531.

It is not a de Polignac number, because 135566632677 - 2²⁶ = 135499523813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135566632627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461110849 + ... + 461111142.

It is an arithmetic number, because the mean of its divisors is an integer number (17522217848).

Almost surely, 2^135566632677 is an apocalyptic number.

It is an amenable number.

135566632677 is a deficient number, since it is larger than the sum of its proper divisors (74699981499).

135566632677 is an equidigital number, since it uses as much as digits as its factorization.

135566632677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922222008 (or 922222001 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 57.

The spelling of 135566632677 in words is "one hundred thirty-five billion, five hundred sixty-six million, six hundred thirty-two thousand, six hundred seventy-seven".